[dpdk-users] Can not forward the message in DPDK

[LOAN TON]

Hi Manoj,

Yes, please describe them to me.
Thank you

Best Regards,
Loan Ton
> On 7 Jun 2017, at 6:27 PM, Manoj Mallawaarachchi <manoj_ws at yahoo.com> wrote:
> 
> Hi Loan,
> 
> Yes, I manage my work with basic forwarder setup as bump in the wire. Now my forwarding working from pc to net and back. Working on multi core support and RSS now.
> 
> If it help I can describe more detail to you.
> 
> Thank you,
> Manoj M
> 
> Sent from Yahoo Mail for iPad <https://yho.com/footer0>
> 
> On Wednesday, June 7, 2017, 5:34 pm, LOAN TON <tont at usi.ch> wrote:
> 
> Hi Manoj M,
> 
> Have you solved your problem? I still stick on my case.
> 
> Loan Ton
> 
> > On 26 May 2017, at 11:49 AM, Manoj Mallawaarachchi <manoj_ws at yahoo.com <mailto:manoj_ws at yahoo.com>> wrote:
> > 
> > Hi Loan,
> > 
> > Thanks for the message to group and sharing the information. I also doing small scale project similar  to this using DPDK forwarder app and as below scenario.
> > 
> > Client PC ----> DPDK forwarder ----> Internet
> > 
> > All connect via home router. I face same issue with client forwarding to DPDK app and to INTERNET and back. Still my objective not work, however I found below discussion will help to your scenario also.
> > 
> >  <http://dpdk.org/ml/archives/dev/2013-June/000237.html>http://dpdk.org/ml/archives/dev/2013-June/000237.html <http://dpdk.org/ml/archives/dev/2013-June/000237.html>
> > 
> > May be you need to integrate user space TCP/IP stack like ANS.
> > 
> >  <https://github.com/ansyun/dpdk-ans>https://github.com/ansyun/dpdk-ans <https://github.com/ansyun/dpdk-ans>
> > 
> > I'm also exploring possibilities to my requirement discussed below:
> > 
> >  <http://www.dpdk.org/ml/archives/users/2017-May/001922.html>http://www.dpdk.org/ml/archives/users/2017-May/001922.html <http://www.dpdk.org/ml/archives/users/2017-May/001922.html>
> > 
> > Hope my comments useful to get some idea.
> > 
> > Thank you,
> > Manoj M
> > --------------------------------------------
> > On Wed, 5/24/17, LOAN TON <tont at usi.ch <mailto:tont at usi.ch>> wrote:
> > 
> > Subject: [dpdk-users] Can not forward the message in DPDK
> > To: users at dpdk.org <mailto:users at dpdk.org>
> > Date: Wednesday, May 24, 2017, 7:50 PM
> > 
> > Hi all,
> > 
> > I am a newbie with DPDK. I am doing a
> > small project as following.
> > 
> > I have three components such as client
> > (one or many), one transporter and one server. The
> > transporter and server are in DPDK. I use switch to
> > connect  three components together and add rule to
> > forward the message between them. The message passing from
> > client and transfer to transporter and then to server. The
> > server receives the message , opens it and reads some
> > information and responds to client and repeats again. One
> > client sends a message to transporter and server. At the
> > transporter, it only increases the id of message and then
> > pass the message to the server. Only when receiving message
> > from server, client just sends another one message. Besides,
> > after one second, the client have not received the message
> > from the server. It will send a new message to the
> > transporter and server. The life cycle runs forever until i
> > terminate the application.
> > 
> > Model:    Client ->
> > Transporter (DPDK) -> Server (DPDK)  
> > 
> > My problem here is the client (for
> > example 30 clients) sends a message to transporter. The
> > transporter forwards message to server. But the server does
> > not receive any message from the transporter.
> > I checked some information in my
> > transporter, the server and also the switch device (port 30
> > is belong to the transporter, port 28 is belong to the
> > server). I discovered that when the switch showed err = 2,
> > over =2 in the port 30 of the transporter, the server have
> > not received any message from the transporter (just my
> > thinking, not sure). (You can see some below photos) 
> > Or I guessed that I did something wrong in the
> > transporter’s code.
> > Besides, I also run some experiments
> > with different the amount of clients in 15 seconds,
> > sometimes the system works, sometimes not. 
> > 
> > Have anyone met such case? Please help
> > me to figure out where the error come from. I would be
> > grateful for any help
> > 
> > I attach some photos of transporter,
> > server, switch info and  the transporter's code because
> > maybe I was doing wrong about txbuffer or rte_mbuf.
> > 
> > Best Regards,
> > Loan Ton
> > 
> > Here are photo links
> > Transporter with 30 clients:  <http://imgur.com/a/dQ5ss>http://imgur.com/a/dQ5ss  <http://imgur.com/a/dQ5ss>< <http://imgur.com/a/dQ5ss>http://imgur.com/a/dQ5ss <http://imgur.com/a/dQ5ss>> 
> > Server with 30 clients:  <http://imgur.com/a/WkhBR>http://imgur.com/a/WkhBR  <http://imgur.com/a/WkhBR>< <http://imgur.com/a/WkhBR>http://imgur.com/a/WkhBR <http://imgur.com/a/WkhBR>> 
> > Switch with 30 clients:  <http://imgur.com/a/MEPPA>http://imgur.com/a/MEPPA  <http://imgur.com/a/MEPPA>< <http://imgur.com/a/MEPPA>http://imgur.com/a/MEPPA <http://imgur.com/a/MEPPA>> 
> > 
> > I tested the case with 15 clients, one
> > transporter, one server. 
> > Transporter with 15 clients:  <http://imgur.com/a/VXHZb>http://imgur.com/a/VXHZb  <http://imgur.com/a/VXHZb>< <http://imgur.com/a/VXHZb>http://imgur.com/a/VXHZb <http://imgur.com/a/VXHZb>> 
> > Server with 15 clients:  <http://imgur.com/a/ed4Pj>http://imgur.com/a/ed4Pj  <http://imgur.com/a/ed4Pj>< <http://imgur.com/a/ed4Pj>http://imgur.com/a/ed4Pj <http://imgur.com/a/ed4Pj>> 
> > 
> > Transporter’s code:  <http://codepad.org/I4eDSll3>http://codepad.org/I4eDSll3  <http://codepad.org/I4eDSll3>< <http://codepad.org/I4eDSll3>http://codepad.org/I4eDSll3 <http://codepad.org/I4eDSll3>>